Synced virtio_ids.h from upstream Linux kernel using
scripts/update-linux-headers.sh.

Source:
- Linux commit dcb6fa37fd7bc9c3d2b066329b0d27dedf8becaa (v6.18-rc3)
- Author: Linus Torvalds <torvalds@linux-foundation.org>
- Date:   Sun Oct 26 15:59:49 2025 -0700

Signed-off-by: Haixu Cui <quic_haixcui@quicinc.com>
---
 include/standard-headers/linux/virtio_ids.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/standard-headers/linux/virtio_ids.h b/include/standard-headers/linux/virtio_ids.h
index 7aa2eb7662..6c12db16fa 100644
--- a/include/standard-headers/linux/virtio_ids.h
+++ b/include/standard-headers/linux/virtio_ids.h
@@ -68,6 +68,7 @@
 #define VIRTIO_ID_AUDIO_POLICY		39 /* virtio audio policy */
 #define VIRTIO_ID_BT			40 /* virtio bluetooth */
 #define VIRTIO_ID_GPIO			41 /* virtio gpio */
+#define VIRTIO_ID_SPI			45 /* virtio spi */
 
 /*
  * Virtio Transitional IDs
-- 
2.34.1